THE WIDAL SLIDE AGGLUTINATION TEST IS A RAPID DIAGNOSTIC TEST USED TO DETECT ANTIBODIES AGAINST THE SALMONELLA BACTERIA, THE CAUSATIVE AGENT OF TYPHOID AND PARATYPHOID FEVER. IT INVOLVES MIXING A PATIENTS BLOOD SERUM WITH SALMONELLA ANTIGENS ON A SLIDE. IF ANTIBODIES ARE PRESENT, THEY BIND TO THE ANTIGENS, CAUSING VISIBLE CLUMPING OR AGGLUTINATION. WHILE IT CAN PROVIDE A QUICK INDICATION OF A POSSIBLE TYPHOID INFECTION, THE WIDAL TEST HAS LIMITATIONS IN TERMS OF SPECIFICITY AND SENSITIVITY, AND ITS RESULTS SHOULD BE INTERPRETED CAREFULLY IN CONJUNCTION WITH OTHER DIAGNOSTIC TESTS.

TYPHOID FEVER IS A BACTERIAL INFECTION THAT SPREADS THROUGH CONTAMINATED FOOD & DRINKING WATER. IT CAN ALSO SPREAD THROUGH CLOSE CONTACT FROM ONE PERSON TO ANOTHER. THE DISEASE MAINLY AFFECTS INTESTINAL TRACT, LIVER AND SPLEEN. THIS TEST DETECTS IGM & IGG ANTIBODIES, THE MARKERS OF EXPOSURE TO TYPHOID BACTERIA.

THIS TEST ATTEMPTS TO GROW BACTERIA FROM A BLOOD SAMPLE THAT REQUIRE OXYGEN TO SURVIVE. IT IS THE GOLD STANDARD FOR DIAGNOSING BACTEREMIA OR SEPSIS, A SEVERE AND POTENTIALLY FATAL BLOODSTREAM INFECTION.

A COMPLETE BLOOD COUNT (CBC) IS A COMPREHENSIVE BLOOD TEST THAT PROVIDES INFORMATION ABOUT THE CELLS IN YOUR BLOOD. IT MEASURES THE NUMBER OF RED BLOOD CELLS, WHITE BLOOD CELLS, AND PLATELETS, AS WELL AS HEMOGLOBIN (THE PROTEIN THAT CARRIES OXYGEN) AND HEMATOCRIT (THE PERCENTAGE OF RED BLOOD CELLS IN YOUR BLOOD). A CBC IS USED TO DIAGNOSE AND MONITOR A WIDE RANGE OF CONDITIONS, INCLUDING ANEMIA, INFECTIONS, BLEEDING DISORDERS, AND BLOOD CANCERS.